Waklert 150 mg is a prescription medicine containing armodafinil that promotes wakefulness. It is primarily used to manage excessive daytime sleepiness associated with conditions such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. By reducing excessive sleepiness, it may help eligible patients remain more alert and attentive during work or other daytime activities. Some people may notice improved ability to concentrate when their sleepiness is controlled, although Waklert is not specifically approved as a general productivity or study enhancer. It should be taken only as prescribed by a healthcare professional, since it can cause side effects and may interact with other medicines.